2 Boys 1 Cup.rar < Linux >

The challenge name uses "shock value" to distract the user, but the technical requirement is . If you find yourself clicking "Extract Here" more than twice in a CTF, it's time to write a script.

In this specific DUCTF challenge, the "Cup" refers to the final file containing the flag string. Flag Format: DUCTF{...} Key Takeaway 2 Boys 1 Cup.rar

Most solvers use a simple Python or Bash loop to repeatedly unzip/unrar until no more archives remain. The challenge name uses "shock value" to distract

Once the final layer is reached, you are typically left with a text file or an image. Flag Format: DUCTF{

The challenge is designed to be tedious. Upon extracting the first layer, you find another archive, and then another. This is a common CTF trope where the flag is buried 100+ layers deep. Not recommended.

The first step in any forensics challenge is identifying the file type. Despite the .rar extension, tools like file or a hex editor (like HxD) are used to confirm the header. file 2_boys_1_cup.rar